Home / 76,662,490.28-105,793,683.39-41,855,180.63

Finding the Fourth Proportional to 76,662,490.28, 105,793,683.39 and 41,855,180.63

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Solution

The fourth proportional to 76,662,490.28, 105,793,683.39 and 41,855,180.63 is: 57,759,847.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,662,490.28 : 105,793,683.39 = 41,855,180.63 : x
  2. Step 2: Convert to fraction form
    76,662,490.28/105,793,683.39 = 41,855,180.63/x
  3. Step 3: Cross multiply
    76,662,490.28x = 105,793,683.39 × 41,855,180.63
  4. Step 4: Simplify right side
    76,662,490.28x = 4,428,013,727,272,512.50
  5. Step 5: Solve for x
    x = 4,428,013,727,272,512.50/76,662,490.28
  6. Step 6: Final answer
    x = 57,759,847.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.